preinst is in acpid 1:2.0.28-1ubuntu1.
This file is a maintainer script. It is executed when installing (*inst) or removing (*rm) the package.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 | #!/bin/sh
set -e
# Automatically added by dh_installdeb
dpkg-maintscript-helper rm_conffile /etc/init/acpid.conf 1:2.0.28-1ubuntu1~ -- "$@"
# End automatically added section
# Automatically added by dh_installdeb
dpkg-maintscript-helper rm_conffile /etc/acpi/events/powerbtn 1:2.0.28-1ubuntu1~ -- "$@"
# End automatically added section
# Automatically added by dh_installdeb
dpkg-maintscript-helper rm_conffile /etc/acpi/powerbtn.sh 1:2.0.28-1ubuntu1~ -- "$@"
# End automatically added section
# Remove a no-longer used conffile
rm_conffile() {
PKGNAME="$1"
CONFFILE="$2"
if [ -e "$CONFFILE" ]; then
md5sum="`md5sum \"$CONFFILE\" | sed -e \"s/ .*//\"`"
old_md5sum="`dpkg-query -W -f='${Conffiles}' $PKGNAME | sed -n -e \"\\\\' $CONFFILE '{s/ obsolete$//;s/.* //p}\"`"
if [ "$md5sum" != "$old_md5sum" ]; then
echo "Obsolete conffile $CONFFILE has been modified by you."
echo "Saving as $CONFFILE.dpkg-bak ..."
mv -f "$CONFFILE" "$CONFFILE".dpkg-bak
else
if [ "$CONFFILE" = "/etc/acpi/events/powerbtn" -a -e /etc/acpi/powerbtn.sh.dpkg-bak ]; then
# we need some special logic for /etc/acpi/events/powerbtn because it might
# be kept because it was changed itself or because /etc/acpi/powerbtn.sh was changed
echo "Obsolete conffile $CONFFILE saved as $CONFFILE.dpkg-bak ..."
sed -e 's#/etc/acpi/powerbtn.sh#/etc/acpi/powerbtn.sh.dpkg-bak#' < "$CONFFILE" > "$CONFFILE".dpkg-bak
else
echo "Removing obsolete conffile $CONFFILE ..."
fi
rm -f "$CONFFILE"
fi
fi
}
case "$1" in
install|upgrade)
if dpkg --compare-versions "$2" lt 1.0.8-7; then
rm_conffile acpid /etc/logrotate.d/acpid
rm_conffile acpid /etc/acpi/powerbtn.sh
rm_conffile acpid /etc/acpi/events/powerbtn
fi
;;
esac
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